JPS5377579A - Automatic reading method and apparatus for optical indication of cracks on surfaces of materials - Google Patents

Automatic reading method and apparatus for optical indication of cracks on surfaces of materials

Info

Publication number
JPS5377579A
JPS5377579A JP9246277A JP9246277A JPS5377579A JP S5377579 A JPS5377579 A JP S5377579A JP 9246277 A JP9246277 A JP 9246277A JP 9246277 A JP9246277 A JP 9246277A JP S5377579 A JPS5377579 A JP S5377579A
Authority
JP
Japan
Prior art keywords
cracks
materials
reading method
automatic reading
optical indication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9246277A
Other languages
English (en)
Other versions
JPS6128094B2 (ja
Inventor
Doichie Fuorukeru
Betsukeru Erunsutooaugusuto
Fuerusuchiruman Uiritsuhi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DEUTSCH PRUEF MESSGERAETE
Original Assignee
DEUTSCH PRUEF MESSGERAETE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19762635042 external-priority patent/DE2635042C3/de
Application filed by DEUTSCH PRUEF MESSGERAETE filed Critical DEUTSCH PRUEF MESSGERAETE
Publication of JPS5377579A publication Critical patent/JPS5377579A/ja
Publication of JPS6128094B2 publication Critical patent/JPS6128094B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles

Landscapes

  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP9246277A 1976-07-31 1977-08-01 Automatic reading method and apparatus for optical indication of cracks on surfaces of materials Granted JPS5377579A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2634505 1976-07-31
DE19762635042 DE2635042C3 (de) 1976-08-04 1976-08-04 Verfahren und Vorrichtung zur Feststellung von Rissen auf der Oberfläche eines Werkstücks

Publications (2)

Publication Number Publication Date
JPS5377579A true JPS5377579A (en) 1978-07-10
JPS6128094B2 JPS6128094B2 (ja) 1986-06-28

Family

ID=25770761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9246277A Granted JPS5377579A (en) 1976-07-31 1977-08-01 Automatic reading method and apparatus for optical indication of cracks on surfaces of materials

Country Status (5)

Country Link
US (1) US4207593A (ja)
JP (1) JPS5377579A (ja)
FR (1) FR2360882A1 (ja)
GB (1) GB1579437A (ja)
SE (1) SE439546B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH638306A5 (de) * 1978-12-18 1983-09-15 Loepfe Ag Geb Verfahren und vorrichtung zum kontinuierlichen messen der querdimension eines laengsbewegten fadenartigen gebildes.
JPS55132904A (en) * 1979-04-05 1980-10-16 Fuji Electric Co Ltd Shape inspection system
EP0050935B1 (en) * 1980-10-17 1985-05-29 Brent Chemicals International Plc Method and apparatus for examining a workpiece
JPS5863838A (ja) * 1981-10-14 1983-04-15 Fuji Electric Co Ltd 欠陥検出回路
US4515275A (en) * 1982-09-30 1985-05-07 Pennwalt Corporation Apparatus and method for processing fruit and the like
US4561104A (en) * 1984-01-16 1985-12-24 Honeywell Inc. Automated inspection of hot steel slabs
US5046115A (en) * 1987-10-26 1991-09-03 Kabushiki Kaishakomatsu Seisakusho Method of processing image data on crack
US4974261A (en) * 1988-11-15 1990-11-27 Matsushita Electric Works, Ltd. Optical surface inspection method
US5511425A (en) * 1993-12-09 1996-04-30 Krautkramer-Branson, Inc. Flaw detector incorporating DGS
US5903663A (en) * 1995-02-15 1999-05-11 Tiede GmbH & Co.Risprufanlagen Automatic error recognition apparatus
US8661671B2 (en) 2006-09-12 2014-03-04 Benteler Automotive Corporation Method for making catalytic converters with automated substrate crack detection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295362A (en) * 1963-07-15 1967-01-03 American Mach & Foundry Method of and apparatus for ultrasonic inspection utilizing correlation techniques
US3480855A (en) * 1967-04-10 1969-11-25 Magnaflux Corp Image dissector system having pattern rotation means
GB1277013A (en) * 1968-05-01 1972-06-07 Image Analysing Computers Ltd Improvements in or relating to detection devices for scanning systems
US3647961A (en) * 1970-04-09 1972-03-07 Western Electric Co T.v. -aided flaw detection using rotating image techniques
US3729619A (en) * 1971-03-04 1973-04-24 Steel Corp Apparatus for surface inspection of moving material with defect type recognition
DE2209146A1 (de) * 1972-02-26 1973-08-30 Martin Foerster Verfahren zur pruefung ferromagnetischer koerper wie halbzeug und massenteile nach dem magnetpulververfahren
JPS5140975A (en) * 1974-10-02 1976-04-06 Tsunemasa Okada Jidotanshohoho oyobi sochi

Also Published As

Publication number Publication date
US4207593A (en) 1980-06-10
FR2360882B1 (ja) 1981-09-04
FR2360882A1 (fr) 1978-03-03
GB1579437A (en) 1980-11-19
SE7708731L (sv) 1978-02-01
JPS6128094B2 (ja) 1986-06-28
SE439546B (sv) 1985-06-17

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